...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7300284 | Dental implant system An implant system comprising a dental implant, a holding element is provided with non-rotational joint means adapted to avoid relative rotation of the holding element with respect to the implant, and a clamping element adapted to steady retain the holding element cl... | 11/27/2007 |
| 6398553 | T-plate for releasably fixing dentures The invention concerns a t-plate for detachable fixing of false teeth components to one another or to the remaining teeth, with a female part that displays a recess, a male part (6) that displays an attachment section (8) that can be brought to engage the... | 06/04/2002 |
| 5888218 | Implant micro seal An osteo-integrated implant utilizes a metal seal formed on the outer diameter of the implant components spaced axially from the annular seat or junction of the components. The sealing surface of one component is machined on the internal diameter of a cou... | 03/30/1999 |
| 5848897 | Tooth prosthesis construction between sound or restored abutment elements A construction for a fixed or a removable tooth replacement between two sound or restored abutment elements includes an individually cast plate made of a metal of choice (1), which is provided with an opening of defined size on the approximal side, at the... | 12/15/1998 |
| 5842864 | Prosthetic superstructure A prosthetic superstructure has a locking device, which can be placed on a spherical head or on a similar connecting part of an implant and fixed to this and which can be accommodated in a dental prosthesis. The locking device includes locking parts, whic... | 12/01/1998 |
| 5716214 | Dental prosthesis A denture adapted to be locked in place in the mouth which includes the provision of two spaced-apart implanted pins in the gum with the pins being exposed and mounting spherical heads, each adapted to receive a rigid frusto-spherical seat member which is... | 02/10/1998 |
| 5413480 | Overdenture attachment system An overdenture attachment system for selectively attaching a denture element to a post in a tooth or a root canal is provided. The system includes a keeper element which is designed to be permanently affixed to the denture element and a cap element that i... | 05/09/1995 |
| 5221205 | Bridge with lingual bolt locking attachment Disclosed is a bridge which includes a subframe which is provided with a first engaging device, an overcast which is provided with a second engaging device and a locking element which cooperates with the first and second engaging devices to removably affi... | 06/22/1993 |
| 5213501 | Mechanically retained fixed partial denture A mechanically retained fixed partial denture is a three part device which is assembled to form the pontic. The three parts to interlock in a non-displaceable manner as follows: 1) a buccal element engages the buccal surfaces of the abutment teeth 2) a li... | 05/25/1993 |
| 5209660 | Dental appliance with improved connecting element A dental appliance or prosthesis has its removable member connected to its fixed member by a clamping rib which is engaged in a groove and can have longitudinal wall portions separated from a base by respective slits, bulged outwardly by a cap screw whose... | 05/11/1993 |
| 5194002 | Anchor for securing a detachable part to a fixedly mounted part of a dental prosthesis An anchor for securing a detachable part to a fixedly mounted part of a dental prosthesis consists of a patrix which has an undercut portion and a second coupling member (12) which surrounds the first coupling member in ring-like fashion and extends into ... | 03/16/1993 |
| 5120222 | Dental attachment structure The present invention is a dental structure for removably mounting a dental appliance, including a partial denture, bridge, or similar dental appliance in an oral cavity. The dental structure includes an improved male member comprising a substantially cup... | 06/09/1992 |
| 5092772 | Dental prostheses and connectors A dental proosthetic construction is releasably attached at opposite ends to abutment teeth (T). At least at one end, the attachment is by means of a connector comprising a pin (4) and socket (6). The socket has an opening (10) onto the space between the ... | 03/03/1992 |
| 5007836 | Groove lock dental bridge attachment and method An artificial dental appliance for bridging the distance between two adjacent teeth. The appliance includes a bridge for filling the space between the two adjacent teeth and retaining structure for securing the bridge to the two adjacent teeth. The retain... | 04/16/1991 |
| 4973249 | Extracoronal, activatable precision attachment An extracoronal precise attachment comprising a male component, which is to be secured to the natural tooth or implant, and a female component, which is securable thereto and is to be connected to the tooth substitute. The female component has a plastic i... | 11/27/1990 |
| 4966553 | Set of attachment elements for dental prostheses The set comprises: at least one prismatic calcinable post (1) intended to be fastened to a crown and having at its base a support arm (2) and a cylindrical socket (3) arranged at the end of the support arm in a position parallel to the post, calcinable co... | 10/30/1990 |
| 4850869 | Removable dental prosthesis A dental prosthesis including a secondary member coupled to at least one prosthetic tooth suitable for being effectively mounted onto or readily removed from a primary member coupled to a remaining tooth or implant. A bar member is accommodated inside a c... | 07/25/1989 |
| 4820158 | Device for coupling dentures to tooth crowns A denture can be coupled to a sleeve-like socket of a tooth crown by a dentent member a first portion of which is anchored in the denture and a sleeve-like second portion of which is receivable in the socket. The second portion has an open end which is re... | 04/11/1989 |
| 4813873 | Dental prosthetic structures and connectors for use in such prosthetic structures A dental prosthetic construction comprising a pontic and a connector limb attached to the pontic, the connector limb having a joint portion received in a socket of an abutment tooth to retain the pontic in an intended position, the joint portion of the co... | 03/21/1989 |
| 4790754 | Stabilized denture attachment A dental attachment for connecting a removable dental prosthesis to an adjoining fixed tooth. The attachment includes a female member and a male assembly. The female member is inserted into the fixed tooth and includes an open mouth channel at the forward... | 12/13/1988 |
| 4781592 | Device for supporting partial denture The present invention relates to a device for supporting a partial denture on a front tooth or a molar tooth. A fixture member fixedly mounted on a supporting tooth crown is provided with a supporting member. A movable member formed of a shape memory allo... | 11/01/1988 |
| 4767329 | T-attachment for the detachable fastening of dental prostheses A T-attachment for the detachable fastening of dental prostheses and bridges to the residual denture which is still elastic after activation and which makes possible an even friction. The T-attachment consists of a matrix and a patrix. The patrix is provi... | 08/30/1988 |
| 4752224 | Denture connector A denture connector is provided with a hollow cylindrical female member having a retainer plate embedded in a denture crown. A male member comprises a top planar surface having a lateral projection to which there is attached a retainer block having projec... | 06/21/1988 |
| 4746295 | Connecting element for detachably connecting a partial denture to a remaining set of teeth A connecting element is provided for detachably connecting a partial denture with the remaining set of teeth. The element is a joint whose axle extends transversely to the row of teeth and is formed by a bolt displaceably supported in the joint. The joint... | 05/24/1988 |
| 4698020 | Attachment for a partial, removable, dental prothesis In order to activate, through a fine adjustment, the retention element (16) of an attachment for a partial, removable, dental prosthesis made up of two coulisses (1, 51), one of which being incorporated in the prosthesis (P) and the other (51) secured to ... | 10/06/1987 |
| 4661067 | Permanent dental prosthesis and method A base structure for a dental prosthesis comprises first and second anchor elements which are permanently securable to the teeth on opposite sides of a space or gap in the tooth structure of a patient and a base element which is securable to the anchor el... | 04/28/1987 |
| 4659312 | Attachment and locking device for a dental prosthesis A slide connector for the removable attachment of a dental prosthesis to residual dental structure in the mouth of the user has a female member attached to the prosthesis which receives a male member attached to the residual dental structure. A long pin i... | 04/21/1987 |
| 4634382 | Attachment for dental prosthesis According to the present invention, there is provided for an attachment for a dental prosthesis comprising: (a) a male member made of a rigid material provided at a retentive tooth or a dental root; and (b) a female member provided at the dental prosthesi... | 01/06/1987 |
| 4573923 | Denture connector A denture attachment comprises a hollow cylindrical female member having a laterally extending web portion and a retention plate for embedding in a denture crown. A male member having a non-metal sleeve adapted to be inserted in the female member for rota... | 03/04/1986 |
| 4561847 | Dental anchoring for attachment of dental prostheses to crowns, pivot teeth, bridges, and splint elements The T-attachment in dovetail form comprises a patrix (1) mounted in the remainder of the teeth, as well as a matrix (2). The matrix (2) has no internal core but rather consists of a shell form making it possible, in the manufacture of the removable prosth... | 12/31/1985 |
| 4474499 | Process for constructing an attachment connection for a dental prosthesis An attachment connection between a dental prosthesis body and/or a dental bridge and an anchoring tooth and/or a crown consists of a female die hollow space (5) provided in an anchoring tooth and/or the crown, for acceptance of a male die (7) which, with ... | 10/02/1984 |
| 4431417 | Variable connector for fixed and removable dental prostheses A variable connector for supporting a dental prosthesis between opposing spaced apart supporting teeth, the connector including a pair of elongated bar-like body members, each of the body members being disposable in its own channel in at least one support... | 02/14/1984 |
| 4380436 | Support for a removable dental prosthesis The invention relates to a support for retaining a removable dental prosthesis on the remainder of one's natural teeth. In accordance with the invention, a conical pin is mounted on the crown base of a capped tooth. A slotted conical bushing is mounted on... | 04/19/1983 |
| 4196516 | Attachments for dentures Denture attachments for establishing a connection between a tooth and an adjoining denture include a female housing anchored in a tooth, a male connector assembly with a housing and an expandable insert. The housing is secured to the denture, and is of re... | 04/08/1980 |